Clinically proven to restore skin bounce in 3 days* *4 week clinical study of 26 people

Key claim statistics for ectoin Hydro-Barrier serum

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Ectoin Hydro-Barrier Serum

Ectoin Hydro-Barrier Serum | The INKEY List

Name: Ectoin Hydro-Barrier Serum
Brand: The INKEY List UK
SKU: IF066CE
Availability: InStock
Rating: 4.5 (325 reviews)

Hydrates whilst supporting and strengthening the skin’s barrier

4.5

Rated 4.5 out of 5 stars

4.5 Stars (325 Reviews)

£15.00 / 30ml

Buy 2 get one FREE! Use code 3FOR2

Worth 75 Points

WHAT YOU GET: An all-year round deep hydration essential. This dual-action ectoin serum deeply hydrates + strengthens the skin barrier to combat environmental stressors like heat, aircon, pollution and sun.

WHY IT WORKS: 2% Ectoin acts as a natural hydrator and barrier stabiliser, helping to calm irritation and prevent moisture loss. Multi-Molecular Hyaluronic Acid restores skin’s moisture barrier from the outside in - even in harsh conditions.

HOW IT FEELS: Lightweight, silky and non-tacky. Melts into skin for instant hydration and all-day comfort.

WHEN TO USE: Use AM and PM after cleansing and before moisturiser. Perfect serum for dry skin & for layering into your everyday skincare and makeup routine.

Suitable for:

All skin types
Pregnancy & Breastfeeding
Sensitive Skin

Targets:

Dehydrated skin
Compromised skin barrier
Dryness
Flakiness
Dullness

How to use

Use AM and PM. Apply a pea-sized amount of this skin barrier repair serum to cleansed skin, before any other serums

Follow with

Treatments → moisturiser.

Finish with SPF in your AM routine.

INKEY Tip

Layering more than one serum? Apply this hydrating serum first for max absorption.

Heads up

When adding new products to your skincare routine, we always recommend patch testing. Learn more here.

Storage

Store in a cool, dry place (15–25°C). Keep out of direct sunlight. Avoid eyes. For external use only. Keep out of reach of children.

Key Claims

Clinically proven to hydrate + strengthen the barrier in 15 minutes*
Visibly restores bounce in 3 days *
Visibly improves 5 signs of a compromised skin barrier**

Clinical study of 31 people*

4-week clinical study of 26 people**

Ingredients

2% Ectoin (Hydration + Barrier) : Hydrates while supporting and strengthening the skin barrier.
2.5% Multi-Molecular Hyaluronic Acid (Hydration): 4 types of Hyaluronic Acid for deep, multi-level hydration.
1% Barrier Blend (Barrier): Includes three Ceramides to help protect and strengthen the skin's barrier

Aqua (Water / Eau), Propanediol, Caprylic/Capric Triglyceride, Coconut Alkanes, Ectoin, Hydrolyzed Sodium Hyaluronate, Sodium Hyaluronate, Maltodextrin, Phenoxyethanol, Sodium Stearoyl Glutamate, Panthenol, Cetearyl Alcohol, Sclerotium Gum, Xanthan Gum, Glyceryl Stearate, Jojoba Esters, Coco-Caprylate/Caprate, Ethylhexylglycerin, Sodium Citrate, Helianthus Annuus (Sunflower) Seed Wax, Citric Acid, Polyglyceryl-10 Stearate, Avena Sativa (Oat) Kernel Extract, Glycerin, Leuconostoc/Radish Root Ferment Filtrate, Triethyl Citrate, Pentylene Glycol, Polyglyceryl-6 Behenate, Sodium Hyaluronate Crosspolymer, Ceramide NP, Hyaluronic Acid, Ceramide AP, Cholesterol, Phytosphingosine, Behenic Acid, Sodium Levulinate, Polyglycerin-3, Potassium Sorbate, Sodium Cetearyl Sulfate, Ceramide EOP.

FAQs

WHEN DO I USE ECTOIN HYDRO-BARRIER SERUM? Use first after cleansing, AM and PM. Follow with treatments, moisturiser, and SPF in the morning.

DO I NEED HYALURONIC ACID TOO? Not necessarily. Ectoin Serum hydrates up to 10 layers deep. You can use both, or alternate AM/PM. Hydration overload = totally fine.

CAN I LAYER IT WITH OTHER PRODUCTS? Yes - it plays well with all actives, AM and PM.

IS IT SUITABLE FOR SENSITIVE SKIN? Yes. Clinically proven for all skin types, including sensitive.

IS IT NON-COMEDOGENIC? Yes. Oil-free and won’t clog pores.

WHAT IS THE SKIN BARRIER + WHY DOES IT MATTER? It’s your skin’s outer layer - keeps good stuff in and irritants out. A healthy barrier = calm, hydrated, happy skin.

WHY HYDRATION + BARRIER SUPPORT TOGETHER? They work hand-in-hand. No hydration = weak barrier. Weak barrier = no hydration. This serum targets both at once.

CAN I APPLY MAKEUP OVER IT? Yes. Wait 30–60 seconds before applying makeup to avoid pilling.

DOES IT HAVE SPF? No - follow with SPF in the morning.

WHEN WILL I SEE RESULTS? Give it up to 6 weeks. Consistency is key - more isn’t better, just be regular with it.

IS IT VEGAN? Yes! Certified by The Vegan Society.

IS IT SAFE FOR PREGNANCY/BREASTFEEDING? Yes.

CAN I USE THIS WITH PRESCRIPTION PRODUCTS? Check with your doctor first.

WHAT’S THE PH LEVEL? pH 5.5–6.8

No BS Skincare

From INCI to INKEY: Making the Unknown, Known

Every skincare product has an ingredients list.  We’re here to make it clear. What’s inside. How it works. Why you need it. We reveal the science, the truth, and the best ways to use it. Effective formulas. Straight talk. Real results. Knowledge empowers us.

We are B CORP. Our products are formulated with responsibly sourced ingredients, and packaged with 100% recyclable materials. Skin needs love, but so does our planet.

Carbon Net-Zero. All our emissions are offset annually through planet friendly projects with a focus on education.

Approved under the Cruelty Free International Leaping Bunny programme.

100% of our packaging is recyclable. Learn how to recycle your INKEY List products.

Certified by The Vegan Society

This product is;

Dermatologically tested

Clinically tested

Fragrance-free

Alcohol-free

Silicon-free

Oil-free

Lactose-free

Paraben-free

Pregnancy & breastfeeding safe

Awards & Features

Delivery info

Standard tracked delivery (Evri)

£3.99 or FREE on your first order & orders over £30
(2-5 working days*)

Express tracked delivery (Evri)

£5.95 or FREE on orders £50+
(Up to 2 working days if ordered before 8pm, excluding weekends*)

*Find out more about delivery options and delivery area restrictions here.

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Ectoin Hydro-Barrier Serum

• Deep hydration + barrier support in one.
•2% Ectoin + Multi-Molecular Hyaluronic Acid.
• For sensitive, irritated skin with a damaged skin barrier.

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• Our best-seller serum that hydrates and plumps skin.
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More Info

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More Blogs

"I was actually shocked with the results myself it kept improving and I started seeing the difference after a week and it just kept getting better I can’t wait for the official launch I’m gonna buy more products from inkey I’m really impressed with the result, this product is a part of my daily morning and night skincare routine and I’m so thankful for the opportunity you guys gave me to test this out"

Sumbal
"Magic Potion! My menopausal skin crisis happened just as this product was launched. My skin was suddenly reacting to products I had used for months/years. It was red, dry, flaky and thick. I took a chance and bought the Ectoin Hydro-Barrier Serum to see if it would help. It did an amazing job of calming my skin."

Bridget

4.5

Rated 4.5 out of 5 stars

Based on 325 reviews

Total 5 star reviews: 236 Total 4 star reviews: 51 Total 3 star reviews: 15 Total 2 star reviews: 11 Total 1 star reviews: 12

Reviews Summary

Customers say this serum provides deep hydration and makes skin feel plump and smooth. Many reviews mention improved texture and reduced dryness with regular use. The lightweight formula absorbs quickly, though some note it can pill under makeup. While most find it gentle and soothing for sensitive skin, a few report it wasn't hydrating enough for their needs. Common feedback highlights its effectiveness when used on damp skin and as part of a layered routine. Reviews are particularly positive about its smoothing effects and ability to enhance skin's natural moisture.

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325 reviews

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Denice G.
Verified Buyer
Reviewing
Ectoin Hydro-Barrier Serum
I recommend this product
Age Range 65+
Skin Type Combination
Skin Concerns Dehydration, Dryness, Under Eye Circles
Sensitive Skin Friendly? Yes
Rated 5 out of 5 stars
3 minutes ago
Great skin feel
This product is great, leaves skin feeling hydrated as well as fresh.
Non-greasy, light and easy to apply.
Was this helpful?
Maša K.
Verified Buyer
Reviewing
Ectoin Hydro-Barrier Serum
I recommend this product
Age Range 18 - 24
Skin Type Combination
Skin Concerns Breakouts, Acne Scars
Sensitive Skin Friendly? Yes
Rated 5 out of 5 stars
2 days ago
WOW
Hidrates my skin without leaving it sticky.
Was this helpful?
libby
Reviewing
Ectoin Hydro-Barrier Serum
I do not recommend this product
Rated 2 out of 5 stars
4 days ago
2 Stars
this is fairly thin, thicker than the hyaluronic acid but its so so sticky, i have tried waiting 5 minutes to allow it to fully absorb but no matter what its very sticky and makes the rest of my skincare sticky too
Was this helpful?

Ectoin Hydro-Barrier Serum | The INKEY List

Suitable for:

Targets:

How to use

Key Claims

Ingredients

FAQs

No BS Skincare

Awards & Features

Delivery info

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Ectoin Hydro-Barrier Serum | The INKEY List

Suitable for:

Targets:

How to use

Key Claims

Ingredients

FAQs

No BS Skincare

Awards & Features

Delivery info

Bio-Active Ceramide Moisturiser

Hyaluronic Acid Serum - 30ml

Hyaluronic Acid Cleanser

Caffeine Eye Cream

Ectoin Hydro-Barrier Serum Duo

Barrier Boost Duo

Intro Routine for Hydrated Skin

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Compare with...

Ectoin Hydro-Barrier Serum

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Meet Ectoin Hydro-barrier Serum

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